Published November 7, 2023
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Text-fig. 8. Betulaceae and Juglandaceae from the Kishenehn Formation. a: DMNH L6933 Alnus sp. L1 leaves. Scale bar 2 cm. b: DMNH EPI.48179 Alnus sp. leaf. Scale bar 2 cm. c: DMNH EPI.48136b Alnus sp. leaf. Scale bar 2 cm. d: USNM PAL 622756 Alnus sp. I1 infructescence attached to branch. Scale bar 1 cm. e: USNM PAL 623160 Betuloideae showing wing, seed body and two persistent styles. Scale bar 1 mm. f: USNM PAL 622732 Alnus sp. F1 samara showing two persistent styles. Scale bar 1 mm. g: USNM PAL 624925 Betula sp. samara showing wing, seed body and two persistent styles. Scale bar 1 mm. h: USNM PAL 623147 Alnus sp. F2 samara showing. Scale bar 1 mm. i: USNM PAL 622690 Palaeocarya sp. samara showing three wings with reticulate venation and hairs at base. Scale bar 1 cm. in Diverse Fruits And Seeds Of The Mid-Eocene Kishenehn Formation, Northwestern Montana, Usa, And Their Implications For Biogeography
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Text-fig. 8. Betulaceae and Juglandaceae from the Kishenehn Formation. a: DMNH L6933 Alnus sp. L1 leaves. Scale bar 2 cm. b: DMNH EPI.48179 Alnus sp. leaf. Scale bar 2 cm. c: DMNH EPI.48136b Alnus sp. leaf. Scale bar 2 cm. d: USNM PAL 622756 Alnus sp. I1 infructescence attached to branch. Scale bar 1 cm. e: USNM PAL 623160 Betuloideae showing wing, seed body and two persistent styles. Scale bar 1 mm. f: USNM PAL 622732 Alnus sp. F1 samara showing two persistent styles. Scale bar 1 mm. g: USNM PAL 624925 Betula sp. samara showing wing, seed body and two persistent styles. Scale bar 1 mm. h: USNM PAL 623147 Alnus sp. F2 samara showing. Scale bar 1 mm. i: USNM PAL 622690 Palaeocarya sp. samara showing three wings with reticulate venation and hairs at base. Scale bar 1 cm.
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